Home / 144,014.95-198,738.93-79,484.68

Finding the Fourth Proportional to 144,014.95, 198,738.93 and 79,484.68

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Solution

The fourth proportional to 144,014.95, 198,738.93 and 79,484.68 is: 109,687.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,014.95 : 198,738.93 = 79,484.68 : x
  2. Step 2: Convert to fraction form
    144,014.95/198,738.93 = 79,484.68/x
  3. Step 3: Cross multiply
    144,014.95x = 198,738.93 × 79,484.68
  4. Step 4: Simplify right side
    144,014.95x = 15,796,700,254.59
  5. Step 5: Solve for x
    x = 15,796,700,254.59/144,014.95
  6. Step 6: Final answer
    x = 109,687.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.